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Proceedings Paper

Interferometric technique for the concurrent determination of thermo-optic and thermal expansion coefficients
Author(s): John M. Jewell; Charles G. Askins; Ishwar D. Aggarwal
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Paper Abstract

An interferometric technique is described that uses a Fabry-Perot type configuration to measure the coefficient of thermal expansion (CTE) and the thermo-optic coefficient (dn/dT) of transparent materials concurrently. A number of measurements of the CFE and dn/dT are made for both oxide and fluoride based glasses. These measurements show that the technique is accurate, reproducible, and is very effective in determining the temperature dependence of both the thermo-optic and thermal expansion coefficients.

Paper Details

Date Published: 1 June 1991
PDF: 7 pages
Proc. SPIE 1441, Laser-Induced Damage in Optical Materials: 1990, (1 June 1991); doi: 10.1117/12.27511
Show Author Affiliations
John M. Jewell, Naval Research Lab. (United States)
Charles G. Askins, Naval Research Lab. (United States)
Ishwar D. Aggarwal, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 1441:
Laser-Induced Damage in Optical Materials: 1990
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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